How to center an image in an Android Alert Dialog Title?
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28-10-2019 - |
Question
I am trying to center the image that I am adding to my Alert Dialog in an Android app as follows:
android.app.AlertDialog.Builder appInfoDialog = new AlertDialog.Builder(this);
appInfoDialog.setIcon(R.drawable.image);
appInfoDialog.setTitle(" ");
appInfoDialog.setMessage("App Info...");
appInfoDialog.setCancelable(true);
AlertDialog dialog = appInfoDialog.create();
dialog.show();
But how can I center this image? Currently, it is left-aligned.
I cannot find a gravity or layout_align property for it!
Solution
You can not do this, but You can create Your own Dialog like this:
/values/themes.xml
<?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="Dialog" parent="android:style/Theme.Dialog">
<item name="android:windowBackground">@null</item>
<item name="android:windowNoTitle">true</item>
<item name="android:windowIsFloating">true</item>
</style>
</resources>
/layout/custom_dialog.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
android:id="@+id/relativeLayout1"
android:layout_width="fill_parent"
android:layout_height="wrap_content" >
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="10dip"
android:text="wpisz tekst by wyszukać piosenkę"
android:textColor="#5E636D" />
<EditText
android:id="@+id/value_mini"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="40.0dip"
android:background="@drawable/input_text"
android:paddingLeft="10px" />
<Button
android:id="@+id/search_mini"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="80dip"
android:text="szukaj" />
</RelativeLayout>
in method:
Dialog dialog = new Dialog(Start.this, R.style.Dialog);
dialog.setContentView(R.layout.custom_dialog);
Button button = (Button) dialog.findViewById(R.id.search_mini);
final EditText et = (EditText) dialog.findViewById(R.id.value_mini);
button.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
//do something
}
});
dialog.show();
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